main chance的用法和樣例：
例句
- Bob visits his rich uncle every week; he's always had an eye on the main chance.
鮑勃每周都去拜訪他有錢的叔叔，他總是圖謀私利的。 - Being ambitious, he always had an eye to the main chance.
他野心勃勃，時刻盯著發財的機會。
辭彙搭配
- have an eye to the main chance 唯利是圖
- the main chance 發財的機會
- with an eyes to the main chance 著眼於私利,謀私...
